D14646.01—MARCH 2010
15
TANDBERG Codec C40
The Physical Interface Guide
Contents
Introduction
The physical interface
Appendices
Contact us
www.tandberg.com
Hardware Information
Mic 1–2 *
Line in 1–2
Line out 1–2
Signal type
Balanced
Unbalanced
Unbalanced
Connector (codec)
XLR–F
Female RCA/phono Female RCA/phono
Input impedance
8100 Ohm (pin 2–3)
10 k Ohm
Output impedance
100 Ohm
Max input level when set to Min input level
–18dBu/275mVpp
18dBu/17.4Vpp
Max input level when set to Max input level
–42dBu/35mVpp
-6dBu/2.2Vpp
Max output level when set to Min output level
-6dBu/2.2Vpp
Max output level when set to Max output level
18dBu/17.4Vpp
Gain range
<–24dB (24 steps of 1dB) –>
Phantom power
48 Volt +/- 2%
Phantom power resistor pin 1
6800 Ohm
Phantom power resistor pin 2
6800 Ohm
Max phantom power current (per mic)
14mA
Audio hardware information table
Volume control
Ring tone volume*
Audio gain value
0
0
1
-34.5 dB
70
0.0 dB
100
15.0 dB
Volume control table
* The ring tone volume, which is displayed on screen
when using the TRC5 remote control, goes from 0 to 20.
*
This specification is valid for Mic 1–2 inputs if Microphone Level setting is selected
Contents
Introduction
The physical interface
Appendices
Contact us
The physical interface
Contents
Introduction
The physical interface
Appendices
Contact us
The physical interface